Yuav ua li cas txuas thiab mount hlaupast pipes

Anonim

Cov kav hlau steel yog maj mam ua neeg coob ntawm kev ua lag luam: muaj cov kev sib tw yog tus nqi tsawg dua, lawv tau yooj yim dua. Piv txwv li, los ntawm cov hlau yas ua cov dej kub thiab dej txias, cov cua sov. Yuav ua li cas nqa tawm lub installation ntawm hlau-yas cov fittings thaum siv yuav ua li cas siv cov ntu rau hauv ib qho tag nrho - txog txhua yam no thiab nws yuav tau tham.

Hom fittings rau hlau-yas kav

Tus qauv ntawm cov hlau-yas kav yog xws li tias nws yog tsis yooj yim sua kom npau taws lawv los yog harder. Yog li ntawd, txhua tus ceg thiab ib co khoov tau siv cov fittings - cov ntsiab lus tshwj xeeb ntawm cov kev teeb tsa sib txawv - Tees, yoog, thiab lwm yam, thiab lwm yam. Nrog lawv cov kev pab, lub kaw lus ntawm kev teeb tsa tau sau. Qhov tsis muaj cov thev naus laus zis yog tus nqi siab ntawm fittings thiab lub sijhawm uas yuav tsum tau siv sijhawm rau lawv.

Kwv yees ntau ntawm cov fittings rau mounting hlau-yas kav nrog xovxwm

Ntxiv rau ntawm cov hlau-yas kav qab nyob rau hauv qhov tseeb tias lawv tau zoo khoov. Qhov no tso cai rau koj siv cov fittings tsawg dua (lawv kim). Nyob rau hauv dav dav, fittings rau hlau-yas kav yog:

  • Crimp.
  • Nias Fittings (xovxwm).

Daws yam dab tsi ntawm fittings siv yooj yim. Cov neeg ua txhaum yog siv rau cov kav dej uas muaj ib txwm nkag mus - dhau sijhawm, kev sib txuas yuav tsum rub tawm. Nias tuaj yeem yog tinted. Qhov ntawd yog qhov kev xaiv tag nrho - koj yuav tsum paub dab tsi ntawm hom kev teeb tsa hlau-yas yuav yog ntawm ib qho chaw.

Yuav ua li cas txuas thiab mount hlaupast pipes

Cov tsos ntawm qee cov fittings nrog liab qab txiv ntoo - ntsia hlau lossis crimping

Cov kev txav ntawm cov kav hlau ntawm cov hlau-yas - vim yog cov qauv tsim ntawm cov fittings rau txhua qhov sib txuas, ntu ntawm cov raj xa dej. Yog tias cov kev sib txuas tau me ntsis thiab txoj kev taug qab yog sau ntawv, yuav tsis muaj kev rau txim. Txwv tsis pub, nws yog qhov tsim nyog los yog nce nyob rau hauv kev hla ntawm ntu ntawm cov raj xa dej, lossis lub twj tso kua mis nrog lub zog loj dua.

Npaj rau mounting

Ua ntej tshaj plaws, nws yog ib qho tsim nyog ntawm ib daim ntawv los kos tag nrho cov kab ke ntawm cov dej lossis cua sov. Nyob rau hauv txhua qhov chaw ntawm ceg, kos cov haum uas koj xav tau los nruab thiab kos npe rau nws. Yog li ntawd lawv yooj yim los suav.

Qho twj

Ua haujlwm tshwj tsis yog cov yeeb nkab thiab yuav cov fittings yuav xav tau:

Truborez. Cov ntaus ntawv zoo li txiab. Muab cov chaw muaj tseeb ntawm kev txiav - nruj me ntsis txiav rau saum npoo ntawm cov yeeb nkab. Nws yog ib qho tseem ceeb heev.

Yuav ua li cas txuas thiab mount hlaupast pipes

Cov cuab yeej no txiav hlau-yas (thiab tsis yog) kav

Calibrator (Caliber) rau hlau-yas kav. Nyob rau hauv cov txheej txheem ntawm kev txiav, cov yeeb nkab yog me ntsis pluav, thiab nws cov npoo yog me ntsis khoov sab hauv. Tus ntsuas hluav taws xob tsuas yog xav tau nyob rau hauv thiaj li yuav rov qab kho dua cov qauv thiab qib cov npoo. Qhov tsim nyog, cov npoo yog ib qho tsis raug cai - yog li kev sib txuas yuav yog txhim khu kev qha.

Yuav ua li cas txuas thiab mount hlaupast pipes

Cov Kev Ntsuas Calibrators

  • Zenker - ntaus ntawv rau kev tshem cov chamfer. Ib rab riam siv lossis ib qho ntawm cov xuab zeb tseem haum. Feem ntau cov calibrators muaj ib lub pob tw rau chamfering, yog li tsis muaj cov cuab yeej no koj tuaj yeem ua tau.
  • Fittings Installation:
    • Rau crimping, peb xav tau ob qho kev loj ntawm qhov loj me;
    • Rau xovxwm fittings - crimping pliers.

      Yuav ua li cas txuas thiab mount hlaupast pipes

      Kev tuav Crimping pliers lossis xovxwm, ntaus ntawv rau txiav MP kav thiab calibrator. Ua tau qhov no yog tag nrho cov cuab yeej xav tau rau lub installation ntawm xovxwm fittings thiab installation ntawm hlau-yas kav.

    Hauv txoj ntsiab cai, txhua yam. Hloov cov yeeb nkab txiav, koj tuaj yeem siv cov hniav pom cov hlau nrog hlau, tab sis nws yuav tsim nyog yuav ua rau ntu nruj me ntsis rau saum npoo. Yog tias koj ntseeg koj li cas, coj ib tus ntoo ntoo.

    Tus txheej txheem rau kev cob qhia

    Muag Hlau-Yas Kav Ntawm Ib Txoj Kab Uas Me Me Hauv Bays. Ua ntej mounting, txiav ib daig ntawm qhov yuav tsum tau ntev los ntawm Bay. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog los xav txog qhov ntev uas los rau qhov haum. Ntawd yog, nws yog qhov tsim nyog los txiav tawm ib daim nrog me ntsis npoo - hauv 1.2-1.5 cm.

    Cov npoo ntawm ntu yog soj ntsuam yog tias muaj burgers (nrog kev txiav yeeb nkab txiav, nws tsis tshwm sim, qhov no tsis yog txiav nrog cov pom), lawv mus raws li. Tom ntej no, muaj kev pab ntawm lub trimmer lossis ib daim ntawm cov xuab zeb, chamfer yog tshem tawm - cov yas tau tsa ntawm ob sab hauv cov yeeb nkab ntawm cov yeeb nkab thiab sab nraud.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Txiav, ntsuas, tshem tawm chamfer

    Tom qab ntawd, lawv siv sijhawm ntsuas hluav taws xob, nrog kev sib zog tsav nws mus rau hauv cov yeeb nkab thiab tig, kho kom haum rau cov geometry, tib lub sijhawm ncaj ncaj "crushed" sab hauv ntug. Tom qab ntawd, koj tuaj yeem pib lub teeb tsa ntawm hlau-yas kav thiab txhim kho fittings.

    Yuav Ua Li Cas Txawv Ib Daim Hlau-Yas Yeeb

    Raws li twb tau tham, hom pipes no mus rau Bays, uas yog, lawv tau twisted. Txiav tawm ib daim, tes koj ncab nws me ntsis, tab sis yuav ua li cas kom ua tiav kev ua tiav zoo. Qhov no yog qhov tseem ceeb yog tias cov raj xa dej yog qhib. Daim ntawv qhia yog yooj yim:

    • Nrhiav lub rooj zaum du lossis ib daim ntawm chipboard, plywood, thiab lwm yam.
    • Cov txheej txheem sib dhos yog qhwv hauv cov ntaub mos muag (koj tuaj yeem nyob hauv cov phuam qub phuam).
    • Ntawm lub rooj tsavxwm yob tawm, du.

      Yuav ua li cas txuas thiab mount hlaupast pipes

      Feem ntau, thaum cov dej muab hluav taws xob yog xaim, hauv qhov chaw txoj kev khiav yuav tsum tau khoov, nteg thaj chaw ncaj

    Tom qab ntu ntu ua kom du, koj tuaj yeem ntsuas nws cov npoo.

    Teeb tsa cov hlau-yas cov kav yas nrog cov fittings compression

    Fitting fittings muaj ntau qhov chaw. Lub hauv paus yog nrum carbon rooj plaub. Kuj tseem muaj lub ntsej muag crimp uas kho cov yeeb nkab ntawm cov haum thiab cape txiv ntoo uas clams. Ib qho kev nthuav dav tseem ceeb yog lub nplhaib sib khi uas muab cov ceev.

    Cov qauv no ntawm kev teeb tsa tau zoo vim tias tsis muaj cov khoom siv tshwj xeeb. Qhov thib ob ntxiv yog kev sib txuas nrog kev sib txuas thiab, yog tias tsim nyog, tuaj yeem hloov haum. Yog tias nws ua tsis tiav lossis muaj qhov yuav tsum tau hloov pauv cov raj xa hluav taws. Thiab nws yooj yim heev.

    Tab sis muaj qhov tsis zoo: txij li lub sijhawm nyob rau hauv cov xov tshwm sim. Nws yog muab tshem tawm los ntawm txhua yam tsuas yog - zawm rau ib nrab-tig. Tab sis vim qhov no, txhua yam sib txuas yuav tsum nkag mus tau thiab ua raws li lawv. Kuj muaj nyias qhov xav tau los kuaj - ntws, tsis ntws. Tsis yog txhua tus nyiam nws.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Yog li compression fittings zoo li

    Assortment ntawm cov fittings yog kaum dav, cov cim, crossmen, adapters (los ntawm ib lub cheeb mus rau lwm qhov). Thiab tag nrho cov no nrog cov ces kaum sib txawv, nyob rau hauv sib txawv diameters.

    Teeb tsa cov hlau-yas rau ntawm cov kab ke compresstings pib nrog qhov tseeb tias lub nplhaib Cape thiab lub xub ntiag yog muab tshem tawm, muaj ntawm cov hniav sib khi yog soj ntsuam. Tom qab hais tias, kev sib dhos nws tus kheej pib:

    • Txiv ntoo thiab ntiv nplhaib hnav ntawm cov yeeb nkab.
    • Ntu yog ncab kom haum kom txog thaum nws nres. Qhov tseem ceeb yog qhia los ntawm kev sib koom ua ke tshwj xeeb me me.
    • Lub nplhaib yog qhov nro thiab nres nres.

      Yuav ua li cas txuas thiab mount hlaupast pipes

      Ua ntej zawm cov naka

    • Lub txiv ntoo kaw ntov nruj. Ua ntej nrog tes, kev sib txuas ntawm hlau-yas raj rub tawm nrog ob tus yuam sij. Ib tus tuav lub cev haum, qhov thib ob tig lub cape txiv ntseej.

    Ntawm no, txhua yam, cov txheej txheem ntawm kev teeb tsa ntawm compression (ntsia hlau, threited) haum yog ua tiav. Tsuas muaj ib qho nuants: Yog tias koj ncuav cov tshuaj pleev thaiv rau hauv lub kaw lus, hloov lub gasket tam sim ntawd. Cov uas tuaj rau hauv cov khoom siv yuav ntws nrog cov tsis-freezers sai heev. Tso paronit lossis Teflon. Tsuas yog lawv tuaj yeem muab cov nruj. Feem ntau, rau cov kab ke nrog cov tshuaj tiv thaiv nws zoo dua los siv xovxwm fittings. Lawv twv yuav raug hu tsis ntws (yog tias lawv raug compressed zoo).

    Txhim kho crimp (xovxwm lossis laub) fittings ntawm MP kav

    Teeb tsa cov hlau-yas kav siv cov fittp fittings yuav tsum muaj cov zuam tshwj xeeb. Lawv yog phau ntawv, muaj hluav taws xob. Txhua yam yog nruab nrog teeb ntawm cov kab ntawm cov kab sib txawv. Los ntawm txhais tes, ib txwm, raug nqi zog. Cov khoom siv no tsis tas yuav yuav - nws yuav tsum muaj ib zaug xwb. Ntau muaj txiaj ntsig zoo mus xauj.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Nias Fitting rau MP kav

    Ib qho xovxwm phim ntawm ob ntu yog qhov tseeb tsev thiab critterping lub tes tsho. Ua ntej txuas cov kav hlau sib txuas-yas, nqa tawm kev npaj txiav. Nws yog tib yam li thaum siv fittings, tab sis chamfer raug tshem tawm tsuas yog sab hauv. Tom ntej no, cov txheej txheem rau xws li:

    • Cov pw tsaug zog muab tso rau ntawm cov yeeb nkab.
    • Qhov haum tsim cov gasket los tiv thaiv cov tshuab hluav taws xob.
    • Tuba yog muab tso rau qhov haum - kom txog thaum nws nres. Ntawm lub tsev uas haum muaj ib lub qhov uas tus ntug ntawm cov yeeb nkab yuav tsum tau pom.
    • Siv zuam uas haum rau hauv cov kab mob uas xav tau) raug ntsia. Cov ntaub ntawv uas tau nruab ze rau ntawm ntug ntawm qhov haum, txuas tus cwj mem kov ua ke cov khoom. Raws li qhov tshwm sim, ob txoj kev sib tshooj sib txuas yuav tsum pom kom pom tseeb ntawm lub tes tsho. Lawv qhov tob yuav tsum zoo ib yam. Tom qab crimping fittings tuaj yeem tig ncig ntawm cov yeeb nkab.

    Ntawm no, lub installation ntawm hlau-yas kav siv cov xovxwm phim ua tiav. Ib qho kev tshuam zoo sib xws nrog kev sib tw siab txog 10 atm, uas yog txaus rau feem ntau cov. Tsis haum rau lub cua sov cua sov nrog cov plag tsev. Ntau tshaj 16. Lawv muaj lub siab nyob hauv lub kaw lus yuav loj dua.

    Yuav ua li cas khoov ib hlau-yas yeeb

    Feem ntau lub installation ntawm hlau-yas kav tshwm sim qhov yuav tsum tau khoov cov yeeb nkab. Koj tuaj yeem ua nws nrog koj txhais tes lossis nrog lub caij nplooj ntoo hlav. Nws yooj yim dua thiab nrawm dua los ua haujlwm nrog lub caij nplooj ntoo hlav, tab sis nws yuav tsum tau yuav khoom (nws yog pheej yig). Lub caij nplooj ntoo hlav tau tso rau hauv cov yeeb nkab thiab khoov hauv cov kev taw qhia yam xav tau. Cov yeeb nkab rov ua qhov khoov, lub caij nplooj ntoo hlav tau muab tshem tawm. Dabtsi yog khoov hlau-yas kav nrog lub caij nplooj ntoo hlav yooj yim - qhov kev ua tau yooj yim tswj, nws muaj peev xwm kho qhov txiaj ntsig.

    Dab tsi yog qhov zoo li no - koj yuav tsis muaj peev xwm tiv thaiv cov phab ntsa, uas tshwm sim thaum lub zog ntau dhau yog siv rau hauv txoj kev ntawm phau ntawv. Tsis tas li, nws tsis muaj peev xwm ua kom tau ib lub vojvoog khoov (nrog lub vojvoog tsawg dua qhov tsawg kawg nkaus) thiab nyem cov phab ntsa ntawm khoov, ntes cov nqe lus.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Caij Nplooj Ntoos Hlav Rau Yooj Yim Hlau-Yas Kav

    Tes ntawm khoov cov kav dej yuav tsum tau maj. Siv koj txhais tes los ntawm ob sab los ntawm qhov chaw ntawm qhov chaw deb ntawm lub chaw ntawm lub neej yav tom ntej arc), tus duab puab yog thim cov yeeb nkab. Hauv txoj haujlwm no, pib tig mus rau qis dua, tib lub sijhawm rub cov ntiv tes sab saum toj saud.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Los ntawm txhais tes khoov ntawm hlau-yas kav

    Nrog rau cov qauv no, qee zaum los ntawm ntau lub zog, cov yeeb nkab poob nws geometry. Qhov tsis zoo no cuam tshuam nws bandwidth. Nws yog tsis yooj yim sua kom muab cov tshooj lus no hauv cov kav dej lossis cua sov. Txhawm rau zam dhau cov xwm txheej zoo li no, qhov xwm txheej yog rhuab. Qhov no tuaj yeem ua tau tsuas yog nrog kev pab ntawm cov tshuab ua kom qhuav. Nws yog tsis yooj yim sua kom siv qhib hluav taws. Preheated yas khoov yooj yim. Nyob rau tib lub sijhawm, nws tsis yog ntsiag to (qhov tseem ceeb tsis yog overdo nws).

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Txoj Kev Dabtsi Yog Khoov Mp Kav

    Lwm txoj hauv kev kom tsis txhob deformation yog rau ncuav rau hauv cov xuab zeb. Nws yuav tsis muab cov phab ntsa kom ntsws.

    Yuav ua li cas kho cov phab ntsa

    Nrog rau kev qhib ntawm lub raj xa dej, nws yuav tsum muaj qee qhov kho ntawm phab ntsa. Feem ntau, tshwj xeeb yas clips yog siv rau qhov no. Lawv yog ib leeg - rau kev tso ib cov ntawv xa cov ntawv. Feem ntau siv thaum tso dej rau dej. Muaj ntau dual - feem ntau lawv tau teeb tsa ntawm cov cua sov - cov khoom xa thiab xa rov qab rau hauv ob-yeeb nkaws muaj nyob rau hauv parallel.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Clips rau mounting hlau-yas kav ntawm phab ntsa

    Cov clips yog ntsia los ntawm txhua 'meter' (ntau zaus). Lub qhov yog drilled nyob rau hauv phab ntsa hauv phab ntsa, lub dowel ntawm qhov uas yuav tsum tau muab tso (nws yog xaiv nyob ntawm cov khoom uas yog ua). Cov nra hnyav tsis yog foresen, tab sis cov dej hluav taws xob thiab cua sov zoo nkauj dua li linesh.

    Cov qauv tsis-sib txuas: nrog cov kav dej hlau, kev hloov mus rau lwm txoj kab uas hla

    Thaum hloov cov khoom siv dej lossis cua sov, nws yog feem ntau tsim nyog los txuas hlau thiab hlau-yas. Feem ntau cov feem ntau nws tshwm sim rau ntawm tus kais ntawm tus riser. Hauv qhov no, raj hlau yog txiav ntawm qee qhov deb - 3-5 cm, xov yog txiav rau nws. Tom ntej no, xov yog ntsia hlau nrog ib tug feather txiv ntoo (cangua) lossis xov sab hauv. Tom ntej no, lub installation ntawm hlau-yas kav yog ntawm cov thev naus laus zis.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Qee hom fittings uas tuaj yeem siv thaum tsiv los ntawm hlau rau hlau yas

    Qhov haum yog xaiv ntawm lub cheeb ntawm cov yeeb nkab hlau, thiab cov xov ntawm adapter yuav tsum yog sab hauv - sab nraud yog txiav ntawm cov yeeb nkab. Qhov kev sib txuas no yuav tsum tau foob. Ua tiav nrog Flax thiab pwm ntim muab tshuaj txhuam lossis tsuas yog siv fum-daim kab xev.

    Kev sib txuas ntawm ob lub pas dej ntawm cov kab sib txawv tshwm sim ib yam nkaus thiab. Tsuas yog cov haum haum kom tsim nyog nrog cov txiv ntoo / cov txiv mis ntawm cov taub haum uas haum yuav tsum tau ua.

    Piv Txwv Cov Khoom Siv Dej Zog

    Ua ntej tshaj, kos ib txoj kev npaj ua dej. Koj tuaj yeem ua nws ntawm ib daim ntawv, txhais tau cov fittings tsim nyog. Thov nco ntsoov tias lub installation ntawm cranes yuav tsum tau carving phim thaum kawg. Cranes xav tau ntawm qhov kev puas tsuaj rau cov khoom siv hauv tsev neeg thiab muab cov kav dej kav dej, kom cua sov radiators. Qhov no ua rau nws tua tau cov khoom siv tsis muaj kev sib tshooj tag nrho cov txheej txheem nkaus. Hom xov thiab xaiv nws nyob ntawm cov hom crane siv.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Ib qho piv txwv ntawm cov khoom siv dej ntawm cov hlau-yas

    Tsis tas li, cov fittings xav tau ua ntej thiab tom qab lub ntsuas dej (dej lossis cua sov nyob ntawm seb hom kab ke). Kos duab cov phiaj xwm ntxaws ntxaws, muab qhov ntau thiab tsawg rau txhua qhov chaw. Rau daim duab kos no, koj xav tias ntau npaum li cas thiab qhov koj xav tau. Fittings tuaj yeem yuav nruj me ntsis rau hauv cov npe, thiab cov kav dej yog cov nyiam nrog qee qhov tshwj tseg. Ua ntej, koj tuaj yeem yuam kev thaum ntsuas, thib ob, koj tuaj yeem lwj ib co) txiav tsawg dua li nws yog qhov tsim nyog lossis txhim kho, thiab lwm yam.

    Pom zoo rau qhov muaj peev xwm sib pauv

    Thaum muas txhua yam koj yuav tsum pom zoo nrog tus muag khoom uas, yog tias tsim nyog, koj tuaj yeem hloov / rov qab qee cov fittings. Txawm yog cov kws tshaj lij feem ntau yuam kev nrog lawv, thiab ib tus neeg txiav txim siab ua ib txoj hlab dej los yog cua sov los ntawm cov yas nrog lawv tus kheej txhais tes thiab yog suppressed. Tsis muaj leej twg yuav lees txais cov seem ntawm cov yeeb nkab, thiab fittings yooj yim. Tab sis rau kev lav, txuag daim tshev.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Qee lub sij hawm nws yooj yim rau cov neeg sau nyiaj. Lawv tso cai rau koj kom txuas tau ob peb tus neeg tau txais kev pab hauv parallel. Muaj cov sau rau cov khoom siv dej thiab cua sov (nrog cov dej sov pw)

    Thaum twg thiab yuav pib ua haujlwm li cas

    Muaj los tsev, kis cov fittings, Taug kev: yas kav dej nyob rau hauv lub caij ntuj sov tuaj yeem ua rau ib pliag (moos 12), kom txog thaum txhua lub sijhawm sov sov mus rau chav sov Cov. Txiav nrog tsuas yog ib ntu ntawm cov yeeb nkab ntawm qhov ntev xav tau ntev. Qhov no yog ntev me ntsis, tab sis lawv yuav tsis meej pem. Cov kev coj ua ntxiv raws li hom fittings xaiv.

    Yuav ua li cas txuas thiab mount hlaupast pipes

    Wire kev kub kub nrog hlau-yas kav yog ua rau tsuas yog nias fittings

    Tom qab lub teeb tsa ntawm hlau-yas kav ua tiav, cov raj xa dej yog kuaj. Yog tias nws yog cov kav dej, tsuas yog qhib tus kais ntawm qhov chaw nkag. Nws yog ib qho tsim nyog los ua nws maj mam thiab ntseeg tau. Lub kaw lus yuav pib sau tseg tam sim ntawd. Yog tias tsis muaj dab tsi ntxiv ntws - koj puas tau ua txhua yam. Yog tias qee qhov sib txuas tau ntws, lawv yuav tsum tau hloov kho - yog nias fittings tau siv, lossis kom nruj - lossis kom nruj - yog cov rooj sib tham tau ntawm cov sib txuas sib txawv.

    Yog tias cov cua sov tau sib sau los ntawm cov hlau-yas cov kav yas, ua ntej pib nws, nws yuav tsum tau muab tso rau hauv dej txias rau hauv lub system. Yog tias qhov kev ntsuas tau dhau mus ua tiav, koj tuaj yeem ua kom sib hais ua si cua sov.

    Yees duab ntawm lub ncauj lus

    Ib zaug ntxiv yuav ua li cas kom zoo nruab hlau-yas yuav tau piav qhia los ntawm Valtek Kws Tshaj Lij (cov khoom lag luam ntawm uas tau txiav txim siab ib qho zoo tshaj plaws hauv kev ua lag luam no.

Tshooj nyob rau lub ntsiab lus: Xov xwm hauv qab Plasterboard: tso nyiaj kom raug

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